Great Bull Run in Pleasanton

July 31, 2014 12:09 PM

Photo: Michael Macor, The Chronicle

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Justin Triplett, of Vacaville, who was trampled by a bull is taken away for medical attention during The Great Bull Run on Saturday July 26, 2014, at the Alameda County Fairgrounds in Pleasanton, Calif.

Justin Triplett, of Vacaville, who was trampled by a bull is taken away for medical attention during The Great Bull Run on Saturday July 26, 2014, at the Alameda County Fairgrounds in Pleasanton, Calif.

Photo: Michael Macor, The Chronicle

Justin Triplett, of Vacaville, who was trampled by a bull is taken... Photo-6665797.90760 - Beaumont Enterprise

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Runners make their way to the track for the first run of The Great Bull Run on Saturday July 26, 2014, at the Alameda County Fairgrounds in Pleasanton, Calif.

Runners make their way to the track for the first run of The Great Bull Run on Saturday July 26, 2014, at the Alameda County Fairgrounds in Pleasanton, Calif.

Photo: Michael Macor, The Chronicle

Runners make their way to the track for the first run of The Great... Photo-6665798.90760 - Beaumont Enterprise

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Gilberto Martinez gets a kiss from Brigette Arelis, both from Pittsburgh, moments before The Great Bull Run on Saturday July 26, 2014, at the Alameda County Fairgrounds in Pleasanton, Calif.

Gilberto Martinez gets a kiss from Brigette Arelis, both from Pittsburgh, moments before The Great Bull Run on Saturday July 26, 2014, at the Alameda County Fairgrounds in Pleasanton, Calif.